Add GitHub workflow for uploading to PyPI

.github/workflows/release.yml

@@ -0,0 +1,38 @@
+---
+name: "Release"
+on: "workflow_dispatch"
+jobs:
+  build:
+    name: "Build"
+    runs-on: "ubuntu-22.04"
+    steps:
+      - name: "Check out repository"
+        uses: "actions/checkout@v4"
+      - name: "Set up Python"
+        uses: "actions/setup-python@v4"
+        with:
+          python-version: "3.9"
+      - name: "Build distribution packages"
+        run: make package-check
+      - name: "Save distribution directory"
+        uses: "actions/upload-artifact@v3"
+        with:
+          name: "distribution"
+          path: |
+            dist
+  upload:
+    name: "Upload"
+    needs: "build"
+    runs-on: "ubuntu-22.04"
+    environment: "release"
+    permissions:
+      id-token: "write"
+    steps:
+      - name: "Restore distribution directory"
+        uses: "actions/download-artifact@v3"
+        with:
+          name: "distribution"
+          path: |
+            dist
+      - name: "Upload distribution packages to PyPI"
+        uses: "pypa/gh-action-pypi-publish@release/v1"

.github/workflows/test.yml

@@ -6,7 +6,7 @@ on:
     branches:
       - "master"
 jobs:
-  tox:
+  test:
     name: "Test Python ${{ matrix.python-version }}"
     runs-on: "ubuntu-22.04"
     strategy: